LCOV - code coverage report
Current view: top level - src/libpostproc - postprocess_internal.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 4 5 80.0 %
Date: 2017-04-24 03:48:25 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or modify
       7             :  * it under the terms of the GNU General Public License as published by
       8             :  * the Free Software Foundation; either version 2 of the License, or
       9             :  * (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             :  * GNU General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU General Public License
      17             :  * along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : /**
      22             :  * @file
      23             :  * internal API header.
      24             :  */
      25             : 
      26             : #ifndef POSTPROC_POSTPROCESS_INTERNAL_H
      27             : #define POSTPROC_POSTPROCESS_INTERNAL_H
      28             : 
      29             : #include <string.h>
      30             : #include "libavutil/avutil.h"
      31             : #include "libavutil/intmath.h"
      32             : #include "libavutil/log.h"
      33             : #include "postprocess.h"
      34             : 
      35             : #define V_DEBLOCK       0x01
      36             : #define H_DEBLOCK       0x02
      37             : #define DERING          0x04
      38             : #define LEVEL_FIX       0x08 ///< Brightness & Contrast
      39             : 
      40             : #define LUM_V_DEBLOCK   V_DEBLOCK               //   1
      41             : #define LUM_H_DEBLOCK   H_DEBLOCK               //   2
      42             : #define CHROM_V_DEBLOCK (V_DEBLOCK<<4)          //  16
      43             : #define CHROM_H_DEBLOCK (H_DEBLOCK<<4)          //  32
      44             : #define LUM_DERING      DERING                  //   4
      45             : #define CHROM_DERING    (DERING<<4)             //  64
      46             : #define LUM_LEVEL_FIX   LEVEL_FIX               //   8
      47             : #define CHROM_LEVEL_FIX (LEVEL_FIX<<4)          // 128 (not implemented yet)
      48             : 
      49             : // Experimental vertical filters
      50             : #define V_X1_FILTER     0x0200                  // 512
      51             : #define V_A_DEBLOCK     0x0400
      52             : 
      53             : // Experimental horizontal filters
      54             : #define H_X1_FILTER     0x2000                  // 8192
      55             : #define H_A_DEBLOCK     0x4000
      56             : 
      57             : /// select between full y range (255-0) or standard one (234-16)
      58             : #define FULL_Y_RANGE    0x8000                  // 32768
      59             : 
      60             : //Deinterlacing Filters
      61             : #define LINEAR_IPOL_DEINT_FILTER        0x10000 // 65536
      62             : #define LINEAR_BLEND_DEINT_FILTER       0x20000 // 131072
      63             : #define CUBIC_BLEND_DEINT_FILTER        0x8000  // (not implemented yet)
      64             : #define CUBIC_IPOL_DEINT_FILTER         0x40000 // 262144
      65             : #define MEDIAN_DEINT_FILTER             0x80000 // 524288
      66             : #define FFMPEG_DEINT_FILTER             0x400000
      67             : #define LOWPASS5_DEINT_FILTER           0x800000
      68             : 
      69             : #define TEMP_NOISE_FILTER               0x100000
      70             : #define FORCE_QUANT                     0x200000
      71             : #define BITEXACT                        0x1000000
      72             : #define VISUALIZE                       0x2000000
      73             : 
      74             : //use if you want a faster postprocessing code
      75             : //cannot differentiate between chroma & luma filters (both on or both off)
      76             : //obviously the -pp option on the command line has no effect except turning the here selected
      77             : //filters on
      78             : //#define COMPILE_TIME_MODE 0x77
      79             : 
      80             : /**
      81             :  * Postprocessing filter.
      82             :  */
      83             : struct PPFilter{
      84             :     const char *shortName;
      85             :     const char *longName;
      86             :     int chromDefault;       ///< is chrominance filtering on by default if this filter is manually activated
      87             :     int minLumQuality;      ///< minimum quality to turn luminance filtering on
      88             :     int minChromQuality;    ///< minimum quality to turn chrominance filtering on
      89             :     int mask;               ///< Bitmask to turn this filter on
      90             : };
      91             : 
      92             : /**
      93             :  * Postprocessing mode.
      94             :  */
      95             : typedef struct PPMode{
      96             :     int lumMode;                    ///< activates filters for luminance
      97             :     int chromMode;                  ///< activates filters for chrominance
      98             :     int error;                      ///< non zero on error
      99             : 
     100             :     int minAllowedY;                ///< for brightness correction
     101             :     int maxAllowedY;                ///< for brightness correction
     102             :     AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture
     103             : 
     104             :     int maxTmpNoise[3];             ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
     105             : 
     106             :     int baseDcDiff;
     107             :     int flatnessThreshold;
     108             : 
     109             :     int forcedQuant;                ///< quantizer if FORCE_QUANT is used
     110             : } PPMode;
     111             : 
     112             : /**
     113             :  * postprocess context.
     114             :  */
     115             : typedef struct PPContext{
     116             :     /**
     117             :      * info on struct for av_log
     118             :      */
     119             :     const AVClass *av_class;
     120             : 
     121             :     uint8_t *tempBlocks; ///<used for the horizontal code
     122             : 
     123             :     /**
     124             :      * luma histogram.
     125             :      * we need 64bit here otherwise we'll going to have a problem
     126             :      * after watching a black picture for 5 hours
     127             :      */
     128             :     uint64_t *yHistogram;
     129             : 
     130             :     DECLARE_ALIGNED(8, uint64_t, packedYOffset);
     131             :     DECLARE_ALIGNED(8, uint64_t, packedYScale);
     132             : 
     133             :     /** Temporal noise reducing buffers */
     134             :     uint8_t *tempBlurred[3];
     135             :     int32_t *tempBlurredPast[3];
     136             : 
     137             :     /** Temporary buffers for handling the last row(s) */
     138             :     uint8_t *tempDst;
     139             :     uint8_t *tempSrc;
     140             : 
     141             :     uint8_t *deintTemp;
     142             : 
     143             :     DECLARE_ALIGNED(8, uint64_t, pQPb);
     144             :     DECLARE_ALIGNED(8, uint64_t, pQPb2);
     145             : 
     146             :     DECLARE_ALIGNED(32, uint64_t, pQPb_block)[4];
     147             :     DECLARE_ALIGNED(32, uint64_t, pQPb2_block)[4];
     148             : 
     149             :     DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64];
     150             :     DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64];
     151             : 
     152             :     QP_STORE_T *stdQPTable;       ///< used to fix MPEG2 style qscale
     153             :     QP_STORE_T *nonBQPTable;
     154             :     QP_STORE_T *forcedQPTable;
     155             : 
     156             :     int QP;
     157             :     int nonBQP;
     158             : 
     159             :     DECLARE_ALIGNED(32, int, QP_block)[4];
     160             :     DECLARE_ALIGNED(32, int, nonBQP_block)[4];
     161             : 
     162             :     int frameNum;
     163             : 
     164             :     int cpuCaps;
     165             : 
     166             :     int qpStride; ///<size of qp buffers (needed to realloc them if needed)
     167             :     int stride;   ///<size of some buffers (needed to realloc them if needed)
     168             : 
     169             :     int hChromaSubSample;
     170             :     int vChromaSubSample;
     171             : 
     172             :     PPMode ppMode;
     173             : } PPContext;
     174             : 
     175             : 
     176         328 : static inline void linecpy(void *dest, const void *src, int lines, int stride) {
     177         328 :     if (stride > 0) {
     178         328 :         memcpy(dest, src, lines*stride);
     179             :     } else {
     180           0 :         memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);
     181             :     }
     182         328 : }
     183             : 
     184             : #endif /* POSTPROC_POSTPROCESS_INTERNAL_H */

Generated by: LCOV version 1.13